Factorial in java

Factorial of number using iteration

public int factorial(int var) {
    if ((var) > 1) {
    fact = var * factorial(var - 1);
    return fact;
    }

    else {
    return 1;
    }
  }

 

Factorial of number using recursion

public int factorial(int var) {
    if ((var) > 1) {
    fact = var * factorial(var - 1);
    return fact;
    }

    else {
    return 1;
  }